螺旋钢管的理化性能
标准
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钢级
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化学成分
|
拉伸性能
|
夏比
|
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C
|
Mn
|
P
|
S
|
Si
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其它other
|
|
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|
|
|
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max
|
max
|
max
|
max
|
max
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min
|
max
|
min
|
max
|
D≤168.3 mm |
D>168.3 mm |
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GB/T3091-2008
|
Q215A
|
≤0.15
|
0.25<1.20
|
0.045
|
0.050
|
0.35
|
- - - - Nb\v\Ti加入见 GB/T1591-94 |
215
|
-
|
335
|
-
|
15
|
>31
|
-
|
Q215B
|
≤0.15
|
0.25-0.55
|
0.045
|
0.045
|
0.35
|
215
|
335
|
15
|
>31
|
|||||
Q235A
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≤0.22
|
0.30-0.65
|
0.045
|
0.050
|
0.35
|
235
|
375
|
15
|
>26
|
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Q235B
|
≤0.20
|
0.30≤1.80
|
0.045
|
0.045
|
0.35
|
235
|
375
|
15
|
>26
|
|||||
Q295A
|
0.16
|
0.80-1.50
|
0.045
|
0.045
|
0.55
|
295
|
390
|
13
|
>23
|
|||||
Q295B
|
0.16
|
0.80-1.50
|
0.040
|
0.040
|
0.55
|
295
|
390
|
13
|
>23
|
|||||
Q345A
|
0.20
|
1.00-1.60
|
0.045
|
0.045
|
0.55
|
345
|
510
|
13
|
>21
|
|||||
Q345B
|
0.20
|
1.00-1.60
|
0.040
|
0.040
|
0.55
|
345
|
510
|
13
|
>21
|
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GB/T9711.1-1997
|
L175
|
0.21
|
0.60
|
0.030
|
0.030
|
-
|
可添加Nb\v\Ti三种元素 中的一种或任一组合 |
175
|
-
|
315
|
825
|
27
|
可选择冲击功与 剪切面积 一个或两个 韧性指标 L555见标准 |
|
L210
|
0.21
|
0.90
|
0.030
|
0.030
|
210
|
335
|
25
|
|||||||
L245
|
0.26
|
1.15
|
0.030
|
0.030
|
245
|
415
|
21
|
|||||||
L290
|
0.28
|
1.25
|
0.030
|
0.030
|
290
|
415
|
21
|
|||||||
L320
|
0.30
|
1.25
|
0.030
|
0.030
|
320
|
435
|
20
|
|||||||
L360
|
0.30
|
1.25
|
0.030
|
0.030
|
360
|
460
|
19
|
|||||||
L390
|
0.26
|
1.35
|
0.030
|
0.030
|
390
|
490
|
18
|
|||||||
L415
|
0.26
|
1.35
|
0.030
|
0.030
|
415
|
520
|
17
|
|||||||
L450
|
0.26
|
1.40
|
0.030
|
0.030
|
450
|
535
|
17
|
|||||||
L485
|
0.23
|
1.60
|
0.030
|
0.030
|
485
|
570
|
16
|
|||||||
L555
|
0.18
|
1.80
|
0.030
|
0.030
|
555
|
625
|
15
|
|||||||
AP1 5L(PSL1)
|
|
|
|
|
|
(Timax)
|
B级Nb+V≤0.03%, ≥B级钢可添加Nb、 V或其组合, 且Nb+V+Ti≤0.15% Grade B Nb+V≤0.03% Steel≥Grade B, (Niovium Vanadium Titanium orcombinations maybe usde but Nb+V +Ti≤0.15%) |
|
-
|
|
-
|
|
不要求或可 选择冲击功 与剪切面积 一个或两 个韧性判剧 |
|
A25
|
0.21
|
0.60
|
0.030
|
0.030
|
-
|
172
|
310
|
|||||||
A
|
0.22
|
0.90
|
0.030
|
0.030
|
-
|
207
|
331
|
|||||||
B
|
0.26
|
1.20
|
0.030
|
0.030
|
0.040
|
241
|
414
|
|||||||
X42
|
0.26
|
1.30
|
0.030
|
0.030
|
0.040
|
290
|
414
|
|||||||
X46
|
0.26
|
1.40
|
0.030
|
0.030
|
0.040
|
317
|
434
|
|||||||
X52
|
0.26
|
1.40
|
0.030
|
0.030
|
0.040
|
359
|
455
|
|||||||
X56
|
0.26
|
1.40
|
0.030
|
0.030
|
0.040
|
386
|
490
|
|||||||
X60
|
0.26
|
1.40
|
0.030
|
0.030
|
0.040
|
414
|
517
|
|||||||
X65
|
0.26
|
1.45
|
0.030
|
0.030
|
0.060
|
448
|
531
|
|||||||
X70
|
0.26
|
1.65
|
0.030
|
0.030
|
0.060
|
483
|
565
|